🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.4

Radius: 14.5

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.86 AU - 1.12 AU

Year: 636 Days

Day: 11.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 25,836,082 km

• M1: 181,163 km (0.12 R)
• M2: 704,307 km (0.084 R)
• M3: 1,451,698 km (0.097 R)
• M4: 2,103,047 km (0.11 R)
• M5: 2,999,138 km (0.119 R)
• M6: 3,548,611 km (0.08 R)
• M7: 5,113,704 km (0.08 R)
• M8: 5,681,727 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.8

Radius: 8.9

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.29 AU - 1.87 AU

Year: 1282 Days

Day: 6.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 25,836,082 km

• M1: 110,702 km (0.116 R)
• M2: 468,840 km (0.114 R)
• M3: 854,802 km (0.091 R)
• M4: 1,325,587 km (0.086 R)
• M5: 1,707,211 km (0.061 R)
• M6: 2,317,421 km (0.07 R)
• M7: 2,601,507 km (0.103 R)
• M8: 3,409,934 km (0.119 R)
• M9: 5,296,961 km (0.057 R)
• M10: 5,741,267 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923

Radius: 12.2

Gravity: 6.2 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.5 AU - 2.46 AU

Year: 1799 Days

Day: 8.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 25,836,082 km

• M1: 152,590 km (0.109 R)
• M2: 576,550 km (0.057 R)
• M3: 1,061,995 km (0.088 R)
• M4: 1,576,014 km (0.06 R)
• M5: 1,966,314 km (0.075 R)
• M6: 2,626,789 km (0.074 R)
• M7: 3,872,490 km (0.094 R)
• M8: 4,473,276 km (0.097 R)
• M9: 5,046,385 km (0.088 R)
• M10: 5,740,369 km (0.109 R)
• M11: 6,366,287 km (0.093 R)
• M12: 7,347,200 km (0.104 R)
• M13: 9,608,372 km (0.082 R)
• M14: 10,132,413 km (0.113 R)
• M15: 10,972,854 km (0.108 R)
• M16: 12,218,705 km (0.108 R)
• M17: 14,261,464 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.7

Radius: 14.6

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.67 AU - 2.47 AU

Year: 1923 Days

Day: 10.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 25,836,082 km

• M1: 181,612 km (0.091 R)
• M2: 643,869 km (0.038 R)
• M3: 1,123,031 km (0.069 R)
• M4: 1,736,532 km (0.071 R)
• M5: 2,502,772 km (0.098 R)
• M6: 3,137,965 km (0.112 R)
• M7: 3,626,103 km (0.107 R)
• M8: 4,303,183 km (0.03 R)
• M9: 5,221,564 km (0.068 R)
• M10: 6,012,189 km (0.098 R)
• M11: 7,020,329 km (0.078 R)
• M12: 7,893,681 km (0.091 R)
• M13: 9,578,004 km (0.077 R)
• M14: 11,569,600 km (0.091 R)
• M15: 13,692,095 km (0.082 R)
• M16: 15,482,033 km (0.086 R)
• M17: 16,708,736 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.8

Radius: 11.3

Gravity: 6.66 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.11 AU - 2.11 AU

Year: 1979 Days

Day: 14.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 25,836,082 km

• M1: 141,370 km (0.102 R)
• M2: 505,491 km (0.109 R)
• M3: 1,005,597 km (0.101 R)
• M4: 1,649,466 km (0.111 R)
• M5: 2,232,898 km (0.07 R)
• M6: 2,652,071 km (0.055 R)
• M7: 3,139,910 km (0.119 R)
• M8: 3,946,093 km (0.104 R)
• M9: 6,093,869 km (0.119 R)
• M10: 7,231,112 km (0.051 R)
• M11: 7,941,702 km (0.04 R)
• M12: 8,600,980 km (0.086 R)
• M13: 10,538,572 km (0.065 R)
• M14: 11,335,180 km (0.071 R)
• M15: 11,928,485 km (0.081 R)
• M16: 13,220,113 km (0.083 R)
• M17: 15,305,508 km (0.099 R)
• M18: 16,677,470 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.1

Radius: 12

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.11 AU - 2.89 AU

Year: 2552 Days

Day: 13.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 81.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 25,836,082 km

• M1: 149,299 km (0.112 R)
• M2: 549,772 km (0.119 R)
• M3: 1,200,523 km (0.055 R)
• M4: 1,576,313 km (0.048 R)
• M5: 2,054,128 km (0.041 R)
• M6: 2,693,958 km (0.108 R)
• M7: 3,384,502 km (0.077 R)
• M8: 4,299,293 km (0.084 R)
• M9: 5,721,969 km (0.084 R)
• M10: 6,133,961 km (0.079 R)
• M11: 6,865,046 km (0.085 R)
• M12: 7,384,151 km (0.113 R)
• M13: 8,471,877 km (0.082 R)
• M14: 9,921,181 km (0.059 R)
• M15: 10,316,419 km (0.117 R)
• M16: 11,529,657 km (0.113 R)
• M17: 12,490,973 km (0.071 R)
• M18: 12,991,229 km (0.078 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.3

Radius: 14.9

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.87 AU - 3.85 AU

Year: 3977 Days

Day: 10.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 25,836,082 km

• M1: 185,352 km (0.085 R)
• M2: 934,837 km (0.05 R)
• M3: 1,940,284 km (0.098 R)
• M4: 2,569,792 km (0.034 R)
• M5: 3,668,589 km (0.059 R)
• M6: 4,179,615 km (0.088 R)
• M7: 6,093,869 km (0.118 R)
• M8: 6,846,646 km (0.077 R)
• M9: 7,969,378 km (0.109 R)
• M10: 10,370,274 km (0.114 R)
• M11: 11,006,663 km (0.085 R)
• M12: 14,852,077 km (0.091 R)
• M13: 15,771,954 km (0.108 R)
• M14: 16,729,380 km (0.078 R)
• M15: 17,905,070 km (0.078 R)
• M16: 19,072,382 km (0.118 R)
• M17: 20,224,435 km (0.082 R)
• M18: 20,951,032 km (0.034 R)
• M19: 22,247,148 km (0.056 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 514 - 18,861 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit